Mercurial > mbsePi-apps / file comparison
comparison: thermferm/devices.c
thermferm/devices.c
- changeset 395
- e32e83550963
- parent 394
- 14231379bec2
- child 408
- ec507c1f1df7
equal
deleted
inserted
replaced
| 394:14231379bec2 | 395:e32e83550963 |
|---|---|
| 234 | 234 |
| 235 while (retries--) { | 235 while (retries--) { |
| 236 if ((write(fn, &val, 1)) == 1) { | 236 if ((write(fn, &val, 1)) == 1) { |
| 237 rc = 0; | 237 rc = 0; |
| 238 goto leave; | 238 goto leave; |
| 239 // } else { | |
| 240 // syslog(LOG_NOTICE, "write_w1() write %s try=%d: %s", addr, retries, strerror(errno)); | |
| 241 } | 239 } |
| 242 } | 240 } |
| 243 syslog(LOG_NOTICE, "write_w1() write %s fatal: %s", addr, strerror(errno)); | 241 syslog(LOG_NOTICE, "write_w1() write %s fatal: %s", addr, strerror(errno)); |
| 244 | 242 |
| 245 } else { | 243 } else { |
| 391 return 0; | 389 return 0; |
| 392 } | 390 } |
| 393 | 391 |
| 394 | 392 |
| 395 /* | 393 /* |
| 396 * Returns 0 if failed. | 394 * Returns DEVPRESENT_NO if failed. |
| 397 * Returns 1 if success, value contains new value. | 395 * Returns DEVPRESENT_YES if success, value contains new value. |
| 398 */ | 396 */ |
| 399 int device_in(char *uuid, int *value) | 397 int device_in(char *uuid, int *value) |
| 400 { | 398 { |
| 401 devices_list *device; | 399 devices_list *device; |
| 400 int tmp, present; | |
| 402 | 401 |
| 403 if (uuid == NULL) | 402 if (uuid == NULL) |
| 404 return 0; | 403 return 0; |
| 405 | 404 |
| 406 #ifdef HAVE_WIRINGPI_H | 405 #ifdef HAVE_WIRINGPI_H |
| 407 piLock(LOCK_DEVICES); | 406 piLock(LOCK_DEVICES); |
| 408 #endif | 407 #endif |
| 409 | 408 |
| 410 for (device = Config.devices; device; device = device->next) { | 409 for (device = Config.devices; device; device = device->next) { |
| 411 if (! strcmp(uuid, device->uuid)) { | 410 if (! strcmp(uuid, device->uuid)) { |
| 412 | 411 present = device->present; |
| 412 if (present == DEVPRESENT_YES) { | |
| 413 tmp = device->value + device->offset; | |
| 414 } else { | |
| 415 tmp = 0; | |
| 416 } | |
| 417 #ifdef HAVE_WIRINGPI_H | |
| 418 piUnlock(LOCK_DEVICES); | |
| 419 #endif | |
| 420 *value = tmp; | |
| 421 return present; | |
| 413 } | 422 } |
| 414 } | 423 } |
| 415 | 424 |
| 416 #ifdef HAVE_WIRINGPI_H | 425 #ifdef HAVE_WIRINGPI_H |
| 417 piUnlock(LOCK_DEVICES); | 426 piUnlock(LOCK_DEVICES); |
| 418 #endif | 427 #endif |
| 419 | 428 |
| 420 return 0; | 429 return DEVPRESENT_NO; |
| 421 } | 430 } |
| 422 | 431 |
| 423 | 432 |
| 424 | 433 |
| 425 | 434 |
| 478 ndev->direction = DEVDIR_IN_ANALOG; | 487 ndev->direction = DEVDIR_IN_ANALOG; |
| 479 ndev->description = xstrcpy((char *)"DS1820 Digital thermometer"); | 488 ndev->description = xstrcpy((char *)"DS1820 Digital thermometer"); |
| 480 } else if (strcmp(buf, (char *)"28") == 0) { | 489 } else if (strcmp(buf, (char *)"28") == 0) { |
| 481 ndev->direction = DEVDIR_IN_ANALOG; | 490 ndev->direction = DEVDIR_IN_ANALOG; |
| 482 ndev->description = xstrcpy((char *)"DS18B20 Digital thermometer"); | 491 ndev->description = xstrcpy((char *)"DS18B20 Digital thermometer"); |
| 483 } else if (strcmp(buf, (char *)"29") == 0) { | |
| 484 ndev->description = xstrcpy((char *)"DS2408 8 Channel addressable switch/LCD"); | |
| 485 ndev->direction = DEVDIR_IN_BIN; | |
| 486 } else if (strcmp(buf, (char *)"3a") == 0) { | 492 } else if (strcmp(buf, (char *)"3a") == 0) { |
| 487 ndev->description = xstrcpy((char *)"DS2413 Dual channel addressable switch"); | 493 ndev->description = xstrcpy((char *)"DS2413 Dual channel addressable switch"); |
| 488 ndev->direction = DEVDIR_IN_BIN; | 494 ndev->direction = DEVDIR_IN_BIN; |
| 489 } else if (strcmp(buf, (char *)"3b") == 0) { | 495 } else if (strcmp(buf, (char *)"3b") == 0) { |
| 490 ndev->direction = DEVDIR_IN_ANALOG; | 496 ndev->direction = DEVDIR_IN_ANALOG; |
| 794 } | 800 } |
| 795 free(addr); | 801 free(addr); |
| 796 addr = NULL; | 802 addr = NULL; |
| 797 } /* if temperature sensor */ | 803 } /* if temperature sensor */ |
| 798 /* | 804 /* |
| 799 * DS2408 8 Channel addressable switch | |
| 800 */ | |
| 801 if (strncmp(device->address, (char *)"29", 2) == 0) { | |
| 802 /* | |
| 803 * Always read current state and set these bits | |
| 804 * in the subdevices value. We do this even with | |
| 805 * the output bits, they should match. | |
| 806 */ | |
| 807 addr = xstrcpy((char *)"/sys/bus/w1/devices/"); | |
| 808 addr = xstrcat(addr, device->address); | |
| 809 addr = xstrcat(addr, (char *)"/state"); | |
| 810 if ((fp = fopen(addr, "r"))) { | |
| 811 if (device->present != DEVPRESENT_YES) { | |
| 812 syslog(LOG_NOTICE, "DS2408 %s is back", device->address); | |
| 813 #ifdef HAVE_WIRINGPI_H | |
| 814 piLock(LOCK_DEVICES); | |
| 815 #endif | |
| 816 device->present = DEVPRESENT_YES; | |
| 817 #ifdef HAVE_WIRINGPI_H | |
| 818 piUnlock(LOCK_DEVICES); | |
| 819 #endif | |
| 820 } | |
| 821 | |
| 822 fclose(fp); | |
| 823 } else { | |
| 824 if (device->present != DEVPRESENT_NO) { | |
| 825 syslog(LOG_NOTICE, "DS2408 %s is missing", device->address); | |
| 826 #ifdef HAVE_WIRINGPI_H | |
| 827 piLock(LOCK_DEVICES); | |
| 828 #endif | |
| 829 device->present = DEVPRESENT_NO; | |
| 830 #ifdef HAVE_WIRINGPI_H | |
| 831 piUnlock(LOCK_DEVICES); | |
| 832 #endif | |
| 833 } | |
| 834 } | |
| 835 free(addr); | |
| 836 addr = NULL; | |
| 837 } | |
| 838 /* | |
| 839 * DS2413 Dual channel addressable switch | 805 * DS2413 Dual channel addressable switch |
| 840 */ | 806 */ |
| 841 if (strncmp(device->address, (char *)"3a", 2) == 0) { | 807 if (strncmp(device->address, (char *)"3a", 2) == 0) { |
| 842 addr = xstrcpy((char *)"/sys/bus/w1/devices/"); | 808 addr = xstrcpy((char *)"/sys/bus/w1/devices/"); |
| 843 addr = xstrcat(addr, device->address); | 809 addr = xstrcat(addr, device->address); |
